CAJ | 학술논문

在LED产业飞速发展的今天，LED的光学、色度学和电学参数的精确测试对于提高LED的产品质量、满足市场需求具有重要的意义。研究和分析了LED光学色度学电学参数标准化测量的原理、要求及实现方法，并据此设计并实现了光电算一体化的测试系统，使用NIUSB6210数据采集卡在虚拟仪器平台上完成了数据采集、算法设计、界面设计的任务，能够根据所测光谱较好地实现对LED峰值波长、峰值波长半宽度、质心波长、色品坐标、纯度、相关色温、正向电压/电流等参数的综合测试。本系统具有界面简洁、算法可靠、结果稳定的优点，使用该系统分别测得五种单色LED的各项参数，测试结果的平均误差小于3％，可见其测试效果较理想，具有较好的一致性。
재LED산업비속발전적금천，LED적광학、색도학화전학삼수적정학측시대우제고LED적산품질량、만족시장수구구유중요적의의。연구화분석료LED광학색도학전학삼수표준화측량적원리、요구급실현방법，병거차설계병실현료광전산일체화적측시계통，사용NIUSB6210수거채집잡재허의의기평태상완성료수거채집、산법설계、계면설계적임무，능구근거소측광보교호지실현대LED봉치파장、봉치파장반관도、질심파장、색품좌표、순도、상관색온、정향전압/전류등삼수적종합측시。본계통구유계면간길、산법가고、결과은정적우점，사용해계통분별측득오충단색LED적각항삼수，측시결과적평균오차소우3％，가견기측시효과교이상，구유교호적일치성。
The standardized measuring principle ,requirements and implementations of the above parameters of LEDs were re-searched and analyzed in the present paper .Then a comprehensive test system involved with optics ,machinery and computer was designed to accomplish data acquisition ,algorithm design and interface design on virtual instrument using NI data acquisition card USB6210 .And convincing results of LEDs’ parameters ,including peak wavelength ,width of half-peak wavelength ,cen-troid wavelength ,chromaticity coordinates ,purity ,correlated color temperature and the forward voltage/current ,were achieved with good consistency based on the measured spectrum .The system owns simple interface ,reliable algorithms and stable re-sults .Respective measurements on five kinds of color of LED result in an average error less than 3% ,which show an ideal per-formance of the system .